TABLE OF CONTENTS
1.CONFIGURATION
1.1Standard Printer Configuration
1.2Options
2.THEORY OF OPERATION
2.1Electrical Operation
2.1.1Summary
2.1.2Microprocessor and the Peripheral Circuit
2.1.3Initialization
2.1.4Parallel Interface Control
2.1.5Print Control
2.1.6SP/LF Motor Control
2.1.7Operation Panel
2.1.8Alarm Circuit
2.1.9Power Supply Circuit
2.2Mechanical Operation
2.2.1Printhead Mechanism and Operation
2.2.2Spacing Operation
2.2.3Head Gap Adjusting
2.2.4Ribbon Drive
2.2.5Paper Feed Operation
2.2.6Paper Detection Mechanism
2.2.7Automatic Sheet Feed
2.2.8Paper Park Function
3.ASSEMBLY/DISASSEMBLY
3.1Precautions for Parts Replacement
3.2Service Tools
3.3Disassembly/Reassembly Procedure
3.3.1Printhead
3.3.2Ribbon Protector
3.3.3
3.3.4Upper Cover Assy, Access Cover Assy and Sheet Guide Assy
3.3.5Gear Case Assy
3.3.6PC Connector
3.3.7Space Motor, Guide Roller Assy
3.3.8Space Rack
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